/*
 * Copyright [2013-2021], Alibaba Group Holding Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alibaba.polardbx.executor.ddl.job.task.gsi;

import com.alibaba.fastjson.annotation.JSONCreator;
import com.alibaba.polardbx.executor.ddl.job.meta.GsiMetaChanger;
import com.alibaba.polardbx.executor.ddl.job.task.BaseGmsTask;
import com.alibaba.polardbx.executor.ddl.job.task.util.TaskName;
import com.alibaba.polardbx.optimizer.context.ExecutionContext;
import lombok.Getter;

import java.sql.Connection;

/**
 * clean up gsi metadata
 * <p>
 * will delete from [indexes]
 * will delete from [tables_ext]
 */
@TaskName(name = "GsiDropCleanUpTask")
@Getter
public class GsiDropCleanUpTask extends BaseGmsTask {

    final private String indexName;

    @JSONCreator
    public GsiDropCleanUpTask(String schemaName, String logicalTableName, String indexName) {
        super(schemaName, logicalTableName);
        this.indexName = indexName;
    }

    @Override
    protected void executeImpl(Connection metaDbConnection, ExecutionContext executionContext) {
        GsiMetaChanger.removeIndexMeta(
            metaDbConnection,
            schemaName,
            logicalTableName,
            indexName
        );
//        TableMetaChanger.removeTableExt(metaDbConnection, schemaName, indexName);

        LOGGER.info(String.format("Drop GSI cleanup task. schema:%s, table:%s, index:%s",
            schemaName,
            logicalTableName,
            indexName));
    }
}